Alexander Young Jackson CC CMG RCA LL. D. (October 3, 1882 – April 5, 1974) was a renown Canadian painter and a founding member of the famous Group of Seven. In addition to his work with the Group of Seven, his long career included serving as a war artist during World War I (1917–1919) and teaching at the Banff School of Fine Arts, from 1943 to 1949. In his later years he was artist-in-residence at the McMichael Canadian Art Collection in Kleinburg, Ontario.